#include "Add.h"
#include "Sub.h"
#include "Mul.h"
#include "Div.h"

int main()
{
    int x = 10;
    int y = 20;

    printf("%d+%d = %d\n",x,y,Add(x,y));
    printf("%d-%d = %d\n",x,y,Sub(x,y));
    printf("%d*%d = %d\n",x,y,Mul(x,y));

    return 0;
}
